Import duty / Chapter 28 / Heading 2804
Heading 2804 covers 11 tariff lines in LoadLoom's table; 10 of them clear duty-free under USMCA for goods made in Canada, the US or Mexico. Published US and Canadian rates below, verified October 2026. Pick the line that matches your goods for the worked example and border steps.
| HS code | Goods | US duty | Canada duty | USMCA |
|---|---|---|---|---|
| 2804.10 | Hydrogen | 3.7% | Free | Free with certificate |
| 2804.21 | Gases, rare; argon | 3.7% | Free | Free with certificate |
| 2804.29 | Gases, rare; other than argon | 3.7% | Free | Free with certificate |
| 2804.30 | Nitrogen | 3.7% | Free | Free with certificate |
| 2804.40 | Oxygen | 3.7% | Free | Free with certificate |
| 2804.50 | Boron; tellurium | Free | Free | Free with certificate |
| 2804.61 | Silicon; containing by weight not less than 99.99% of silicon | Free | Free | Free with certificate |
| 2804.69 | Silicon; containing by weight less than 99.99% of silicon | 5.3% | Free | Not eligible |
| 2804.70 | Phosphorus | Free | Free | Free with certificate |
| 2804.80 | Arsenic | Free | Free | Free with certificate |
| 2804.90 | Selenium | Free | Free | Free with certificate |
This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.
Duty, taxes and brokerage on your declared value in seconds.
Instant cross-border transport price, locked 30 days.
Chapter 28: Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes · Every chapter
